Geodesic
Behavior of forced asymmetric oscillators at resonance
Electronic Journal of Differential Equations, Tome 2000 (2000).

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: This article collects recent results concerning the behavior at resonance of forced oscillators driven by an asymmetric restoring force, with or without damping. This synthesis emphasizes the key role played by a function denoted by $\Phi_{\alpha,\beta,p}$, which is, up to a sign reversal of its argument, a correlation product of the forcing term $p$ and of a function representing a free oscillation for theundamped equation. The theoretical results are accompanied by graphical representations illustrating the behavior of the damped and undamped oscillators. In particular, the damped oscillator is considered, with a forcing term whose frequency is close to the frequency of the free oscillations. For that problem, frequency-response curves are studied, both theoretically and through numerical computations, revealing a hysteresis phenomenon, when $\Phi_{\alpha,\beta,p}$ is of constant sign.
Classification : 34C15, 34C25, 70K30
Keywords: resonance, frequency-response curves, jumping nonlinearity, Fucik spectrum 
@article{EJDE_2000__2000__a28,
     author = {Fabry, C.},
     title = {Behavior of forced asymmetric oscillators at resonance},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2000},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a28/}
}
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Fabry, C. Behavior of forced asymmetric oscillators at resonance. Electronic Journal of Differential Equations, Tome 2000 (2000). http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a28/